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[bug#50618] [PATCH] import: stackage: Don’t try to update packages not a
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From: |
Lars-Dominik Braun |
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Subject: |
[bug#50618] [PATCH] import: stackage: Don’t try to update packages not available on Stackage. |
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Date: |
Wed, 22 Sep 2021 08:07:32 +0200 |
Hi,
> +(define (stackage-package? package)
> + "Whether PACKAGE is available on the default Stackage LTS release."
> + (and (hackage-package? package)
> + (guard (c ((and (http-get-error? c)
> + (= 404 (http-get-error-code c)))
> + #f))
> + (let* ((name (guix-package->hackage-name package))
> + (url (string-append (%stackage-url) "/lts-"
> + %default-lts-version "/package/" name)))
> + (http-fetch url)))))
> +
since stackage-lts-info-fetch is memoized, wouldn’t it be cheaper
to look up the package there? (At least for lots of packages.)
Cheers,
Lars